SOIL MOISTURE AND TO EVAPORATION. 



31 



s- 



5- 



I 



1 



u 



Ci 



> 



i 



f 



40 percent 



i-.ooa.m. 



9:OO " 



io.-oe ' 



11:00 



iz-oonoon 

 i-oo p m. 

 :OO " 

 3:OO " 

 f-.OO 

 5:OO 

 6:OO " 



r.ooa.m. 



too 



s-oo 



/*.oo noon 



3:oop.ir>. 



FIG. 6. Curve of rate of evaporation, July 28-29, 1904. 



F IQ . 7. Curves of rates of evaporation from soils containing different amounts of water. 



